The term [BC] (Base Curve) represents the curve of the contact lens such as 8.3, 8.6, or 9.0. As the number gets smaller, the curvature increases.
A larger numerical value indicates a gentler curve, while a smaller value signifies a steeper curve.
The term [BC] (Base Curve) represents the curve of the contact lens such as 8.3, 8.6, or 9.0. As the number gets smaller, the curvature increases.
A larger numerical value indicates a gentler curve, while a smaller value signifies a steeper curve.